$ git clone -n https://gitee.com/src-anolis-os/policycoreutils.git /var/lib/mock/dist-an23-build-150619-57856/root/chroot_tmpdir/scmroot/policycoreutils
Cloning into '/var/lib/mock/dist-an23-build-150619-57856/root/chroot_tmpdir/scmroot/policycoreutils'...
$ git reset --hard origin/a23
HEAD is now at 2158e97 add python3-networkx as Requires to policycoreutils-python-utils